1POWER SUPPLY: The automatic paper feeder can not only be powered by USB cable, but also can use battery power, which can definitely meet your needs for different needs, also has forward and back buttons for easy control 2SIZE SPECIFICATION: The width of the mini paper inlet is 4mm. Due to its small size, you may need to fold the paper in half to fit into the opening, but will still crush instantly. The limit is 2 pieces of A4 paper folded in half 3SMALL AND COMPACT: Mini electric shredder adopt compact design, small size, space saving, easy to place, does not require much space, can be easily placed on shelves, desks or small places, suitable for office, school or home use 4SAFE AND RELIABLE: Paper shredder can destroy paper, bills, receipts and important documents. Maximize the security of your information. Applicable to offices, graphic shops, law firms, etc. 5FAST AND INCISIVE: USB portable paper shredder adopt ABS housing, bright appearance and fine feel. Carbon steel cutter edge, hard and incisive, speed shredding, cutting paper neatly. One key control, continuous shredding, shredding paper at the same time 1 x Portable Paper Shredder 1 x Data Cable 1 x User Manual